| 摘要 |
An injection molding apparatus (1) provided with a screw (2) which extends in a cylinder (3), which cylinder is provided with a filling opening and with a nozzle, the screw (2) being connected with a drive shaft (7) accommodated in a drive housing (6), which drive shaft (7) is in driving communication with a first and a second electric drive unit (8, 9), the drive shaft (7) being provided with a first thread (10), engaged by the first drive unit (9), and with a second thread (12) whose pitch deviates from that of the first thread, the second thread (12) being engaged by the second drive unit (9), while the control (14), for the purpose of the regulation based on force feedback, measures as an input signal the electric current consumed by the first drive unit (8) and the electric current consumed by the second drive unit (9), the control (14) being arranged for regulating on the basis thereof the filling pressure according to a desired pattern. |
